Base | Representation |
---|---|
bin | 11100000100000000… |
… | …001000101010111100 |
3 | 2212202221111220100121 |
4 | 130010000020222330 |
5 | 443202232243302 |
6 | 21501543304324 |
7 | 2114461025002 |
oct | 340400105274 |
9 | 85687456317 |
10 | 30131915452 |
11 | 11862754071 |
12 | 5a0b14b0a4 |
13 | 2ac2801692 |
14 | 165bb86a72 |
15 | bb54d4e37 |
hex | 704008abc |
30131915452 has 12 divisors (see below), whose sum is σ = 52751605536. Its totient is φ = 15060028160.
The previous prime is 30131915423. The next prime is 30131915461. The reversal of 30131915452 is 25451913103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470949 + ... + 1491292.
It is an arithmetic number, because the mean of its divisors is an integer number (4395967128).
Almost surely, 230131915452 is an apocalyptic number.
It is an amenable number.
30131915452 is a deficient number, since it is larger than the sum of its proper divisors (22619690084).
30131915452 is a wasteful number, since it uses less digits than its factorization.
30131915452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2964788 (or 2964786 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 34.
The spelling of 30131915452 in words is "thirty billion, one hundred thirty-one million, nine hundred fifteen thousand, four hundred fifty-two".
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